10020221211126 has 32 divisors (see below), whose sum is σ = 23217107470848. Its totient is φ = 2823702258240.

The previous prime is 10020221211097. The next prime is 10020221211127. The reversal of 10020221211126 is 62111212202001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020221211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634083890 + ... + 1634090021.

It is an arithmetic number, because the mean of its divisors is an integer number (725534608464).

Almost surely, 2^{10020221211126} is an apocalyptic number.

10020221211126 is an abundant number, since it is smaller than the sum of its proper divisors (13196886259722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10020221211126 is a wasteful number, since it uses less digits than its factorization.

10020221211126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268173996.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 10020221211126 its reverse (62111212202001), we get a palindrome (72131433413127).

The spelling of 10020221211126 in words is "ten trillion, twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty-six".